<?php
echo "计算输入的两个整数加减乘除的结果\n";
echo "请输入两个整数，用英文逗号分隔\n";
$count=fscanf(STDIN,"%d ,%d%s",$a,$b,$other);
var_dump($count,$a,$b,$other);
if($count>2) {
    echo "不要输入一些多余的乱七八糟的东西~\n";
}else if($count<2){
    echo"请按格式要求来输入数据~\n";
}else{
    $he =$a+$b;
    $cha=$a-$b;
    echo "$a+$b=$he\n";
    echo "$a-$b=$cha\n";
}

